*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:#E7F6F3;color:#222;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.82;overflow-x:hidden}
a{color:#08756A;text-underline-offset:3px}
a:hover{color:#0C8F82}
img{max-width:100%}
button,input,select,textarea{font:inherit}
body.drawer-open{overflow:hidden}
.site-header{
  position:sticky;
  top:0;
  z-index:9999;
  width:100%;
  background:linear-gradient(180deg,#0C8F82 0%,#0A7A6E 100%);
  box-shadow:0 8px 22px rgba(10,122,110,.22);
}
.header-inner{
  max-width:1200px;
  min-height:72px;
  margin:0 auto;
  padding:0 20px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.site-logo{display:flex;align-items:center;flex:0 0 auto;text-decoration:none}
.site-logo img{
  display:block;
  height:42px;
  width:auto;
  max-width:168px;
  object-fit:contain;
}
.logo-fallback{display:inline-flex;align-items:center;justify-content:center;min-width:128px;height:42px;padding:0 14px;border-radius:14px;background:#F3E2A8;color:#0A3D38;font-size:22px;font-weight:800;letter-spacing:1px}
.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0;flex:1}
.nav-core a{
  color:#F7F3E4;
  padding:8px 12px;
  font-weight:700;
  text-decoration:none;
  white-space:nowrap;
}
.nav-core a.is-current,
.nav-core a:hover{
  background:rgba(247,243,228,.16);
  border-radius:999px;
  color:#FFFFFF;
}
.header-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.login-btn,.register-btn,.header-reg-btn{
  height:40px;min-width:88px;padding:0 16px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:999px;text-decoration:none;font-weight:700;white-space:nowrap;
}
.login-btn,.header-reg-btn{
  background:#F3E2A8;color:#0A3D38;
}
.register-btn{
  background:transparent;color:#F7F3E4;border:1px solid rgba(247,243,228,.55);
}
.mobile-login,.menu-toggle{display:none}
.channel-strip{background:#E7F6F3;border-bottom:1px solid rgba(12,143,130,.16)}
.channel-scroll{max-width:1200px;margin:0 auto;padding:9px 20px;display:flex;gap:6px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin}
.channel-scroll a{color:#24554F;text-decoration:none;font-size:14px;font-weight:700;padding:5px 8px;border-radius:999px}
.channel-scroll a:hover{background:#fff;color:#0C8F82}
.site-main{min-height:60vh;padding-bottom:18px}
.shell{width:min(1200px,calc(100% - 40px));margin:0 auto}
.reading{width:min(820px,calc(100% - 40px));margin:0 auto}
.hero-band{background:linear-gradient(135deg,#0C8F82,#0A7A6E);color:#F7F3E4;padding:58px 0;margin-bottom:0}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:34px;align-items:center}
.eyebrow{margin:0 0 10px;font-weight:800;color:#F3E2A8;letter-spacing:.08em}
h1{font-size:clamp(36px,4.4vw,48px);line-height:1.16;margin:0 0 18px;color:#0A3D38}
.hero-band h1{color:#fff}
h2{font-size:clamp(24px,2.5vw,32px);line-height:1.28;color:#0A3D38;margin:0 0 16px}
h3{font-size:20px;line-height:1.4;color:#0A3D38;margin:0 0 10px}
p{margin:0 0 16px}
.lead{font-size:18px;line-height:1.9;color:inherit;max-width:760px}
.hero-band .lead{color:#F7F3E4}
.hero-note{margin-top:18px;font-size:14px;color:#D5E8E4}
.main-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;min-width:96px;padding:0 20px;
  background:linear-gradient(180deg,#0C8F82 0%,#0A7A6E 100%);
  color:#F7F3E4;border-radius:999px;
  text-decoration:none;font-weight:700;
  box-shadow:0 8px 18px rgba(10,122,110,.28);
}
.main-btn:hover{color:#fff;filter:brightness(.98)}
.section{padding:58px 0}
.section.compact{padding:42px 0}
.section.white{background:#fff}
.section.soft{background:#F3FBFA}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:22px;margin-bottom:24px}
.section-head p{max-width:700px;color:#4E6B66;margin:0}
.grid-6{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}
.quick-link{display:flex;min-height:112px;flex-direction:column;justify-content:space-between;padding:18px;border:1px solid rgba(12,143,130,.16);border-radius:18px;background:#fff;box-shadow:0 14px 30px rgba(10,122,110,.10);text-decoration:none}
.quick-link strong{color:#0A3D38;font-size:18px}.quick-link span{color:#4E6B66;font-size:14px}
.mag-grid{display:grid;grid-template-columns:2fr 1fr;gap:24px;align-items:stretch}
.story-panel,.side-stack article,.compare-card,.directory-card,.content-card,.note-box,.steps li,.faq-item,.link-panel{background:#fff;border:1px solid rgba(12,143,130,.16);border-radius:18px;box-shadow:0 14px 30px rgba(10,122,110,.10)}
.story-panel{padding:22px}.side-stack{display:grid;gap:14px}.side-stack article{padding:18px}
.text-link{font-weight:800;text-decoration:none}.text-link::after{content:" →"}
.media{
  position:relative;width:100%;max-width:100%;overflow:hidden;
  border-radius:18px;background:#E7F6F3;
  aspect-ratio:16/9;
}
.media > img{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:contain;object-position:center center;display:block;
}
.feature-media{height:236px;aspect-ratio:auto}
.card-media{height:168px;aspect-ratio:auto}
.media-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#4E6B66;background:linear-gradient(135deg,#E7F6F3,#F3FBFA);font-weight:700;letter-spacing:.04em}
.story-copy{padding-top:20px}.story-copy ol{margin:0;padding-left:22px}.story-copy li+li{margin-top:10px}
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}.compare-card{padding:20px}.compare-card .media{margin-bottom:18px}
.directory-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.directory-card{padding:18px}.directory-card p{color:#4E6B66;font-size:14px;min-height:52px}
.service-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.service-row a{background:#0A7A6E;color:#F7F3E4;text-decoration:none;border-radius:18px;padding:20px;font-weight:800;text-align:center}.service-row a:hover{background:#0C8F82;color:#fff}
.page-hero{padding:48px 0 30px}.page-hero .shell{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:end}.page-hero p{color:#4E6B66;max-width:760px}.crumbs{font-size:14px;margin-bottom:12px;color:#4E6B66}.crumbs a{text-decoration:none}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:28px;align-items:start}.article-main{min-width:0}.aside-nav{position:sticky;top:112px;background:#fff;border:1px solid rgba(12,143,130,.16);border-radius:18px;padding:18px}.aside-nav h2{font-size:18px}.aside-nav a{display:block;padding:8px 0;text-decoration:none;border-bottom:1px dashed rgba(12,143,130,.16)}
.content-card{padding:26px}.content-card + .content-card{margin-top:20px}.content-card ul,.content-card ol{padding-left:22px}.content-card li+li{margin-top:9px}.content-card p:last-child{margin-bottom:0}
.kicker-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:20px 0}.kicker-list article{padding:18px;background:#F3FBFA;border-radius:16px;border:1px solid rgba(12,143,130,.16)}
.steps{list-style:none;padding:0;margin:0;counter-reset:step}.steps li{position:relative;padding:22px 22px 22px 72px;counter-increment:step}.steps li+li{margin-top:14px}.steps li::before{content:counter(step);position:absolute;left:20px;top:20px;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#0C8F82;color:#F7F3E4;font-weight:800}
.dual{display:grid;grid-template-columns:1fr 1fr;gap:20px}.note-box{padding:20px;background:#F3FBFA}.note-box strong{color:#0A3D38}.notice{border-left:4px solid #F3E2A8;background:#fff;padding:18px 20px;border-radius:0 18px 18px 0;box-shadow:0 14px 30px rgba(10,122,110,.08)}
.related{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.related a{display:inline-flex;padding:8px 12px;border-radius:999px;background:#E7F6F3;text-decoration:none;font-weight:700}
.qa-open{display:grid;gap:14px}.faq-item{padding:22px}.faq-item h2,.faq-item h3{font-size:20px}.faq-item p:last-child{margin-bottom:0}
.list-columns{columns:2;column-gap:26px}.list-columns a{display:block;break-inside:avoid;padding:7px 0;text-decoration:none}
.site-footer{background:#123833;color:#D5E8E4;margin-top:36px}.footer-grid{width:min(1200px,calc(100% - 40px));margin:0 auto;padding:48px 0 30px;display:grid;grid-template-columns:1.25fr 1fr 1fr 1fr;gap:28px}.site-footer h2{color:#F7F3E4;font-size:18px}.site-footer a{display:block;color:#D5E8E4;text-decoration:none;padding:4px 0}.site-footer a:hover{color:#F3E2A8}.footer-brand p{color:#D5E8E4}.footer-logo{display:inline-flex!important;margin-bottom:14px}.footer-logo img{height:42px;width:auto;object-fit:contain}.footer-fallback{background:#F3E2A8}.footer-bottom{border-top:1px solid rgba(213,232,228,.15);width:min(1200px,calc(100% - 40px));margin:0 auto;padding:18px 0 26px;font-size:14px;color:#D5E8E4}.footer-bottom p{margin:0 0 6px}
.floating-tools{position:fixed;right:14px;top:38%;z-index:9000;width:92px;display:grid;gap:8px}.floating-tools a,.floating-tools button{border:1px solid rgba(12,143,130,.16);border-radius:14px;background:#fff;color:#08756A;text-decoration:none;text-align:center;padding:10px 7px;font-size:13px;font-weight:800;box-shadow:0 8px 20px rgba(10,122,110,.10);cursor:pointer}.floating-tools .float-reg{background:#0C8F82;color:#F7F3E4}.mobile-bottom{display:none}
.menu-toggle{width:42px;height:40px;border:0;border-radius:12px;background:#F3E2A8;align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0}.menu-toggle span{display:block;width:19px;height:2px;background:#0A7A6E;border-radius:999px}.mobile-login{height:40px;min-width:66px;padding:0 12px;border-radius:999px;background:#F3E2A8;color:#0A3D38;text-decoration:none;font-weight:800;align-items:center;justify-content:center}
.mobile-drawer,
.drawer-mask{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid rgba(12,143,130,.16)}.drawer-logo{display:flex;text-decoration:none}.drawer-logo img{height:40px;width:auto;object-fit:contain}.drawer-close{width:40px;height:40px;border:0;border-radius:50%;background:#E7F6F3;color:#0A3D38;font-size:27px;line-height:1;cursor:pointer}.drawer-body{height:calc(100vh - 74px);overflow-y:auto;padding:12px 16px 30px}.drawer-body section{padding:12px 0;border-bottom:1px solid rgba(12,143,130,.12)}.drawer-body h2{font-size:15px;color:#4E6B66;margin:0 0 6px}.drawer-body a{display:block;padding:8px 0;text-decoration:none;color:#0A3D38;font-weight:700}
@media(max-width:1120px){.nav-core a{padding:8px 8px}.header-inner{gap:10px}.header-actions .register-btn{display:none}.directory-grid{grid-template-columns:repeat(2,1fr)}.grid-6{grid-template-columns:repeat(3,1fr)}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}}
@media(max-width:980px){
.mobile-drawer{
  display:block;
  position:fixed;
  inset:0 auto 0 0;
  width:min(84vw,320px);
  background:#fff;
  z-index:12000;
  transform:translateX(-105%);
  transition:transform .2s ease;
  box-shadow:18px 0 40px rgba(10,61,56,.18);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-mask{
  display:none;
  position:fixed;
  inset:0;
  background:rgba(10,61,56,.42);
  z-index:11000;
  opacity:0;
  pointer-events:none;
  transition:opacity .18s ease;
}
.drawer-mask.is-visible{
  display:block;
  opacity:1;
  pointer-events:auto;
}
.header-inner{min-height:64px;padding:0 14px;display:grid;grid-template-columns:72px 1fr 72px;gap:8px}.menu-toggle{display:flex;justify-self:start}.site-logo{justify-self:center}.site-logo img{height:38px;max-width:142px}.logo-fallback{min-width:112px;height:38px;font-size:19px}.nav-core,.header-actions,.channel-strip{display:none}.mobile-login{display:inline-flex;justify-self:end}.floating-tools{display:none}.site-main{padding-bottom:70px}.hero-grid,.mag-grid,.article-grid{grid-template-columns:1fr}.hero-grid{gap:24px}.hero-band{padding:42px 0}.aside-nav{position:static}.footer-grid{grid-template-columns:1fr 1fr}.page-hero .shell{grid-template-columns:1fr}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9500;display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid rgba(12,143,130,.16);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -8px 22px rgba(10,122,110,.08)}.mobile-bottom a{height:56px;display:flex;align-items:center;justify-content:center;text-decoration:none;color:#0A3D38;font-weight:800}.section{padding:44px 0}}
@media(max-width:700px){.shell,.reading{width:min(100% - 28px,1200px)}h1{font-size:clamp(26px,8vw,34px)}.lead{font-size:16px}.section{padding:36px 0}.section-head{display:block}.section-head p{margin-top:8px}.grid-6{grid-template-columns:repeat(2,1fr)}.quick-link{min-height:104px;padding:16px}.compare-grid,.dual,.kicker-list,.service-row{grid-template-columns:1fr}.directory-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr;padding-top:38px}.feature-media{height:220px}.list-columns{columns:1}.content-card{padding:20px}.page-hero{padding:34px 0 22px}.page-hero h1{margin-bottom:12px}.hero-band .media{max-width:560px;margin:0 auto}.story-panel{padding:18px}}
@media(max-width:430px){.header-inner{grid-template-columns:64px 1fr 64px;padding:0 10px}.site-logo img{height:34px;max-width:128px}.mobile-login{min-width:60px;padding:0 10px}.menu-toggle{width:40px}.quick-link strong{font-size:16px}.quick-link span{font-size:13px}.grid-6{gap:10px}.feature-media{height:210px}.card-media{height:160px}}